Preparation method of Na0.3WO3 nanostructure of photothermal conversion material
A light-to-heat conversion material and nanostructure technology, which is applied in the field of preparation of light-to-heat conversion materials, can solve the problems of high requirements for reaction equipment and high production costs, and achieve the effects of high repetition rate, simple operation, and cheap and easy-to-obtain raw materials
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Embodiment 1
[0023] Weigh 0.2380g WCl 6 , 0.0240g NaOH, dissolved in 40mL ethanol, transferred to a 50mL reactor, and reacted at 180°C for 20h. Centrifuge, discard the supernatant, and wash the resulting solid to obtain a blue product, which is Na 0.3 WO 3 Nano-structure. Figure 1-Figure 3 A picture of the product obtained in this example. figure 1 (a) Explain the obtained Na 0.3 WO 3 It is assembled from bundles of nanowires of about 5nm. figure 1 (b) illustrates the growth of the self-assembled structure along the (001) direction (d 001 =0.38nm), and figure 2 Corresponding. image 3 It is the ultraviolet-visible absorption spectrum of the structure, which shows that the self-assembled structure has strong near-infrared absorption and is expected to be used in photothermal therapy.
Embodiment 2
[0025] Weigh 0.2380g WCl 6 , 0.0120g NaOH, dissolved in 40mL ethanol, transferred to a reaction kettle with a capacity of 50mL, and reacted at 180°C for 20h. Centrifuge, discard the supernatant, and wash the resulting solid to obtain a blue product, which is Na 0.3 WO 3 Nano-structure.
Embodiment 3
[0027] Weigh 0.2380g WCl 6 , 0.0120g NaOH, dissolved in 40mL ethanol, transferred to a reaction kettle with a capacity of 50mL, and reacted at 180°C for 24h. Centrifuge, discard the supernatant, and wash the resulting solid to obtain a blue product, which is Na 0.3 WO 3 Nano-structure.
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